133458320479 has 32 divisors (see below), whose sum is σ = 157338547200. Its totient is φ = 111921384960.

The previous prime is 133458320419. The next prime is 133458320519. The reversal of 133458320479 is 974023854331.

It is not a de Polignac number, because 133458320479 - 2⁷ = 133458320351 is a prime.

It is a super-2 number, since 2×133458320479² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133458320419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6732807 + ... + 6752599.

It is an arithmetic number, because the mean of its divisors is an integer number (4916829600).

Almost surely, 2^133458320479 is an apocalyptic number.

133458320479 is a deficient number, since it is larger than the sum of its proper divisors (23880226721).

133458320479 is a wasteful number, since it uses less digits than its factorization.

133458320479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20775.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 133458320479 in words is "one hundred thirty-three billion, four hundred fifty-eight million, three hundred twenty thousand, four hundred seventy-nine".